Drop this unused driver.
Signed-off-by: Simon Glass sjg@chromium.org ---
arch/arm/mach-rmobile/Makefile | 1 - arch/arm/mach-rmobile/timer.c | 87 ---------------------------------- 2 files changed, 88 deletions(-) delete mode 100644 arch/arm/mach-rmobile/timer.c
diff --git a/arch/arm/mach-rmobile/Makefile b/arch/arm/mach-rmobile/Makefile index 195bbeb5c88..3f77760e50d 100644 --- a/arch/arm/mach-rmobile/Makefile +++ b/arch/arm/mach-rmobile/Makefile @@ -7,7 +7,6 @@ obj-y = cpu_info.o obj-y += emac.o
obj-$(CONFIG_DISPLAY_BOARDINFO) += board.o -obj-$(CONFIG_GLOBAL_TIMER) += timer.o obj-$(CONFIG_TMU_TIMER) += ../../sh/lib/time.o obj-$(CONFIG_SH73A0) += lowlevel_init.o cpu_info-sh73a0.o pfc-sh73a0.o obj-$(CONFIG_R8A7740) += lowlevel_init.o cpu_info-r8a7740.o pfc-r8a7740.o diff --git a/arch/arm/mach-rmobile/timer.c b/arch/arm/mach-rmobile/timer.c deleted file mode 100644 index 293c23b5e25..00000000000 --- a/arch/arm/mach-rmobile/timer.c +++ /dev/null @@ -1,87 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0+ -/* - * (C) Copyright 2012 Nobuhiro Iwamatsu nobuhiro.iwamatsu.yj@renesas.com - * (C) Copyright 2012 Renesas Solutions Corp. - */ - -#include <common.h> -#include <div64.h> -#include <init.h> -#include <time.h> -#include <asm/io.h> -#include <asm/arch-armv7/globaltimer.h> -#include <asm/arch/rmobile.h> -#include <linux/delay.h> - -static struct globaltimer *global_timer = \ - (struct globaltimer *)GLOBAL_TIMER_BASE_ADDR; - -#define CLK2MHZ(clk) (clk / 1000 / 1000) -static u64 get_cpu_global_timer(void) -{ - u32 low, high; - u64 timer; - - u32 old = readl(&global_timer->cnt_h); - while (1) { - low = readl(&global_timer->cnt_l); - high = readl(&global_timer->cnt_h); - if (old == high) - break; - else - old = high; - } - - timer = high; - return (u64)((timer << 32) | low); -} - -static u64 get_time_us(void) -{ - u64 timer = get_cpu_global_timer(); - - timer = ((timer << 2) + (CLK2MHZ(CFG_SYS_CPU_CLK) >> 1)); - do_div(timer, CLK2MHZ(CFG_SYS_CPU_CLK)); - return timer; -} - -static ulong get_time_ms(void) -{ - u64 us = get_time_us(); - - do_div(us, 1000); - return us; -} - -int timer_init(void) -{ - writel(0x01, &global_timer->ctl); - return 0; -} - -void __udelay(unsigned long usec) -{ - u64 start, current; - u64 wait; - - start = get_cpu_global_timer(); - wait = (u64)((usec * CLK2MHZ(CFG_SYS_CPU_CLK)) >> 2); - do { - current = get_cpu_global_timer(); - } while ((current - start) < wait); -} - -ulong get_timer(ulong base) -{ - return get_time_ms() - base; -} - -unsigned long long get_ticks(void) -{ - return get_cpu_global_timer(); -} - -ulong get_tbclk(void) -{ - return (ulong)(CFG_SYS_CPU_CLK >> 2); -}